"This update implements a workaround for a serious flaw that we've discovered in macOS that can lead to data loss when using an APFS-formatted disk image. If you're running macOS High Sierra, please apply this update and review any tasks that back up to a disk image on a network volume. Note: this flaw applies to APFS disk images only - ordinary APFS volumes (e.g. your SSD startup disk) are not affected. Disk images are not used for most backup task activity, they are generally only applicable when making backups to network volumes."

"This week we reported to Apple a serious flaw in macOS that can lead to data loss when using an APFS-formatted disk image. Until Apple issues a macOS update that resolves this problem, we're dropping support for APFS-formatted disk images...." (more at linked page)

Apple Support/Troubleshooting/How-To Article Updates:
- How to Set up and use HomePod
- How to Use the touch controls on HomePod
- Now to use Touch Accommodations on HomePod
- How to Update HomePod
- How to Reset HomePod
- Using VoiceOver on HomePod
- Troubleshooting If HomePod isn't responding
- How to change settings for HomePod
- How to use HomePod as a speakerphone
- How to Use Personal Requests on HomePod
- How to use Siri to play music or podcasts on your HomePod
- How to do more with Siri on HomePod
- How to control your home with Siri
- How "Hey Siri" works with multiple devices
- How to use the Home app on iPhone, iPad, and iPod touch
- How to automate and remotely access HomeKit accessories
- How to How to AirPlay audio